<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>aaa</title>
    <!--  引入Vue  -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <!--  准备好一个容器  -->
    <div id="root">

    </div>
</body>

<script type="text/javascript">

</script>
</html>